553508466 has 16 divisors (see below), whose sum is σ = 1265162304. Its totient is φ = 158145264.

The previous prime is 553508447. The next prime is 553508477. The reversal of 553508466 is 664805355.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 13178773 = 553508466 / (5 + 5 + 3 + 5 + 0 + 8 + 4 + 6 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6589345 + ... + 6589428.

It is an arithmetic number, because the mean of its divisors is an integer number (79072644).

Almost surely, 2^553508466 is an apocalyptic number.

553508466 is an abundant number, since it is smaller than the sum of its proper divisors (711653838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553508466 is a wasteful number, since it uses less digits than its factorization.

553508466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13178785.

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 553508466 is about 23526.7606354976. The cubic root of 553508466 is about 821.0597373209.

The spelling of 553508466 in words is "five hundred fifty-three million, five hundred eight thousand, four hundred sixty-six".